Inventor: Princen, Wilhelmus J. F. A., Princen, Antonius F. M. J.
Inventor: White, Allan, McKenzie, deceased, Donald
Inventor: Snapp, Jr., Alfred L.
Inventor: Cummins, James N., Aldwinckle, Herbert S.
Inventor: Simmons, Daniel E., Simmons, Jr., Daniel E.
Inventor: Deutscher, Robert L., Deutscher, Carol J.
Inventor: Mennell, Wilfrid John, Mennell, Sally Beth
Inventor: Hartenhof, Jacob A.